Free Interactive Tool
Plant Diagnostic
Describe what you see. Get evidence-ranked diagnoses with confidence scores and step-by-step rescue protocols.
Prefer a photo diagnosis?
Snap a photo in the PlantGrail app for an AI diagnosis in seconds.
Start with a species
Select your plant below, then choose the symptom you're seeing. The diagnostic engine will rank the most likely causes by confidence score and give you a step-by-step rescue protocol.
Don't see your plant? Browse all 738 plant names for species-specific diagnostic profiles.
✦ Or browse by symptom
Not sure what species you have? Start from the symptom and narrow down from there.
🏛️ How this tool works
Methodology, data sources & the Building 1411 apparatus
How this tool works
Methodology, data sources & the Building 1411 apparatus
The Plant Diagnostic tool matches your symptom description against documented patterns in our knowledge base of 4,889 knowledge records. Results suggest topics to investigate; internal ranking scores are not probabilities of a correct diagnosis or a successful recovery. Results link directly to the relevant species page and problem protocol for full step-by-step rescue guidance.
✦ More Tools
Tools diagnose. Mastery Packs cure.
Our free tools help you identify the problem. Mastery Packs give you the full protocol — prevention calendars, rescue flowcharts, and species-specific deep dives built from the same dataset.
Browse Mastery Packs →